<template>
    <div class="account-box">
        <div class="toggle">
            <a @click="isMsgLogin = false" href="javascript:;" v-if="isMsgLogin">
                <i class="iconfont icon-user"></i> 使用账号登录
            </a>
            <a @click="isMsgLogin = true" href="javascript:;" v-else>
                <i class="iconfont icon-msg"></i> 使用短信登录
            </a>
        </div>
        <Form class="form" ref="formCom" v-slot="{ errors }" :validation-schema="schema" autocomplete="off">
            <template v-if="!isMsgLogin">
                <div class="form-item">
                    <div class="input">
                        <i class="iconfont icon-user"></i>
                        <Field name="account" :class="{ error: errors.account }" v-model="form.account" type="text"
                            placeholder="请输入用户名" />
                    </div>
                    <div class="error" v-if="errors.account"><i class="iconfont icon-warning" />{{ errors.account }}
                    </div>
                </div>
                <div class="form-item">
                    <div class="input">
                        <i class="iconfont icon-lock"></i>
                        <Field name="password" :class="{ error: errors.password }" v-model="form.password"
                            type="password" placeholder="请输入密码" />
                    </div>
                    <div class="error" v-if="errors.password"><i class="iconfont icon-warning" />{{ errors.password }}
                    </div>
                </div>
            </template>
            <template v-else>
                <div class="form-item">
                    <div class="input">
                        <i class="iconfont icon-user"></i>
                        <Field type="text" name="mobile" :class="{ error: errors.mobile }" v-model="form.mobile"
                            placeholder="请输入手机号 测试号132 4105 1259" />
                    </div>
                    <div class="error" v-if="errors.mobile"><i class="iconfont icon-warning" />{{ errors.mobile }}</div>
                </div>
                <div class="form-item">
                    <div class="input">
                        <i class="iconfont icon-code"></i>
                        <Field name="code" type="text" :class="{ error: errors.code }" v-model="form.code"
                            placeholder="验证码 测试123456" />
                        <span class="code" @click="send">{{ time === 0 ? '发送验证码' : `${time}` }}</span>
                    </div>
                    <div class="error" v-if="errors.code"><i class="iconfont icon-warning" />{{ errors.code }}</div>

                </div>
            </template>
            <div class="form-item">
                <div class="agree">
                    <Field as="XtxCheckbox" name="isAgree" v-model="form.isAgree" />
                    <span>我已同意</span>
                    <a href="javascript:;">《隐私条款》</a>
                    <span>和</span>
                    <a href="javascript:;">《服务条款》</a>
                </div>
                <div class="error" v-if="errors.isAgree"><i class="iconfont icon-warning" />点击同意</div>

            </div>
            <a href="javascript:;" class="btn" @click="login">登录</a>
        </Form>
        <div class="action">
            <a
                href="https://graph.qq.com/oauth2.0/authorize?client_id=100556005&response_type=token&scope=all&redirect_uri=http%3A%2F%2Fwww.corho.com%3A8080%2F%23%2Flogin%2Fcallback">
                <img src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png" alt="">
            </a>

            <div class="url">
                <a href="javascript:;">忘记密码</a>
                <a href="javascript:;">免费注册</a>
            </div>
        </div>
    </div>
</template>
<script>
import { useIntervalFn } from '@vueuse/core'
import { Form, Field } from 'vee-validate'

import { userAccountLogin, userMobileLoginMsg, userMobileLogin } from '@/api/user'
import schema from '@/utils/vee-validate-schema'

import { reactive, ref, watch, getCurrentInstance, onMounted } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { useStore } from 'vuex'

import QC from 'qc'
export default {
    name: 'LoginForm',
    components: {
        Form,
        Field
    },
    setup() {
        //使用仓库 存储用户信息
        const store = useStore()
        //用于调用API
        const router = useRouter()
        //当前组件的路由实例
        const route = useRoute()
        //拿到当前组件实例
        const { proxy } = getCurrentInstance()
        // 是否短信登录
        const isMsgLogin = ref(false)
        //拿到Form组件 => formCom
        const formCom = ref(null)
        // 表单对象数据 v-model
        const form = reactive({
            isAgree: true,
            account: null,
            password: null,
            mobile: null,
            code: null
        })
        // 校验规则对象
        const mySchema = {
            account: schema.account,
            password: schema.password,
            mobile: schema.mobile,
            code: schema.code,
            isAgree: schema.isAgree
        }

        // 切换表单元素，还原数据和清除校验效果
        watch(isMsgLogin, () => {
            // 还原数据
            form.isAgree = true
            form.account = null
            form.password = null
            form.mobile = null
            form.code = null
            // 补充校验效果清除，Form组件提供resetForm()
            formCom.value.resetForm()
        })

        //点击登录
        const login = async () => {
            //Form组件的validate()方法 ===> 校验表单结果
            const valid = await formCom.value.validate()
            if (valid) {
                let data = null
                try {
                    if (!isMsgLogin.value) {
                        //帐号登录
                        const { account, password } = form
                        data = await userAccountLogin({ account, password })
                    } else {
                        //手机号 + 验证码 登录
                        const { mobile, code } = form
                        data = await userMobileLogin({ mobile, code })
                    }
                } catch (error) {
                    proxy.$message({ type: 'error', text: error.response.data.message } || '登陆失败')
                }
                //存储信息
                console.log(data)
                const { id, account, nickname, avatar, token, mobile } = data.result
                //用户信息 本地存储
                store.commit('user/setUser', { id, account, nickname, avatar, token, mobile })

                store.dispatch('cart/mergeCart').then(() => {
                    proxy.$message({ type: 'success', text: '登录成功' })
                    //跳转原页面 或者 首页
                    router.push(route.query.redirectUrl || '/')
                })

            }
        }

        //手机号 => 短信验证码
        //倒计时实现 
        // pause => 暂停 
        // resume => 开始  
        const time = ref(0)
        const { pause, resume } = useIntervalFn(() => {
            time.value--
            if (time.value <= 0) {
                //暂停
                pause()
            }
        }, 1000, false)

        //发送验证码
        const send = async () => {
            const valid = mySchema.mobile(form.mobile)
            if (valid === true) {
                if (time.value === 0) {
                    // 没有倒计时才可以发送
                    await userMobileLoginMsg(form.mobile)
                    proxy.$message({ type: 'success', text: '发送成功' })
                    time.value = 60
                    resume()
                }
            } else {
                //场景: 用户进入后直接点击发送验证码 ==> 提示输入手机号
                formCom.value.setFieldError('mobile', valid)
            }
        }

        return { isMsgLogin, form, schema: mySchema, formCom, login, send, time }
    }
}
</script>
<style lang="less" scoped>
.account-box {
    .toggle {
        padding: 15px 40px;
        text-align: right;

        a {
            color: @xtxColor;

            i {
                font-size: 14px;
            }
        }
    }

    .form {
        padding: 0 40px;

        &-item {
            margin-bottom: 28px;

            .input {
                position: relative;
                height: 36px;

                >i {
                    width: 34px;
                    height: 34px;
                    background: #cfcdcd;
                    color: #fff;
                    position: absolute;
                    left: 1px;
                    top: 1px;
                    text-align: center;
                    line-height: 34px;
                    font-size: 18px;
                }

                input {
                    padding-left: 44px;
                    border: 1px solid #cfcdcd;
                    height: 36px;
                    line-height: 36px;
                    width: 100%;

                    &.error {
                        border-color: @priceColor;
                    }

                    &.active,
                    &:focus {
                        border-color: @xtxColor;
                    }
                }

                .code {
                    position: absolute;
                    right: 1px;
                    top: 1px;
                    text-align: center;
                    line-height: 34px;
                    font-size: 14px;
                    background: #f5f5f5;
                    color: #666;
                    width: 90px;
                    height: 34px;
                    cursor: pointer;
                }
            }

            >.error {
                position: absolute;
                font-size: 12px;
                line-height: 28px;
                color: @priceColor;

                i {
                    font-size: 14px;
                    margin-right: 2px;
                }
            }
        }

        .agree {
            a {
                color: #069;
            }
        }

        .btn {
            display: block;
            width: 100%;
            height: 40px;
            color: #fff;
            text-align: center;
            line-height: 40px;
            background: @xtxColor;

            &.disabled {
                background: #cfcdcd;
            }
        }
    }

    .action {
        padding: 20px 40px;
        display: flex;
        justify-content: space-between;
        align-items: center;

        .url {
            a {
                color: #999;
                margin-left: 10px;
            }
        }
    }
}
</style>